Test code:
(function(){
var p=new PEvent(document);
p.click(function() {
//alert("click");
//alert(p.style);
var html= "";
for ( var item in document) {
html =item ':' document[item] "rn";
}
//alert(html);
}) ;
p.dblclick(function() {
alert("double-click");
});
p.contextmenu(function(event) {
try{
var x =event.clientX;
var y=event.clientY;
var menu=g("menu");
//Judge coordinates
var width=document.body.clientWidth;
var height=document.body.clientHeight;
x=(x menu.clientWidth)>=width?width-menu.clientWidth:x;
y=(y menu.clientHeight)>= height?height-menu.clientHeight:y;
//alert("Visible height: " height ", mouse height: " y);
menu.style.top=y "px";
menu.style.left=x "px";
menu.style.display="block";
}catch(e){
alert(e);
}
return false;
});
function PEvent(dom){
this.x=function() {
this.style.css=dom.style;
}
this.click=function(fn){
dom.onclick=fn;
this.x();
}
this.dblclick= function(fn){
dom.ondblclick=fn;
}
this.contextmenu=function(fn){
dom.oncontextmenu=fn;
}
this.style=new Po();
};
function Po() {
this.name=new Object();
this.id=new Object();
this.css=new Object();
}
})();
function g(id){
return document.getElementById(id);
}
In jquery, when handling events, you can write anonymous methods, for example:
obj.click(function(){
alert("hello");
});
Appeal this form.
When passing parameters in a method, you can pass the fun method.
can be called like this:
this .dblclick=function(fn){
dom.ondblclick=fn;
}
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn